/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraNode.h
Determine whether or not a pin can be changed to a certain type. Used to populate the type conversion menu if external pin type changes are allowed or for wildcard responses
virtual bool AllowNiagaraTypeForPinTypeChange ( const [FNiagaraTypeDefinition](API\Plugins\Niagara\FNiagaraTypeDefinition) & InType, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * Pin ) const